Evidence of water vapor detected in the atmosphere of Smertrios

Using the CARMENES spectrograph, astronomers have found evidence of water vapor in the atmosphere of a hot Saturn exoplanet designated HD 149026 b, dubbed Smertrios. The finding, reported in a research paper published on the preprint server arXiv, could be key to a better understanding of the structure and formation scenario of this alien world. https://phys.org/news/2024-07-evidence-vapor-atmosphere-smertrios.html